# SPDX-License-Identifier: Apache-2.0
# (C) Copyright IBM Corp. 2024.
# Licensed under the Apache License, Version 2.0 (the “License”);
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#  http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an “AS IS” BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
################################################################################

import pyarrow.parquet as pq
from dpk_collapse.ray.runtime import *

def test_basic_functionality():

    Collapse(input_folder='../test-data/input',
             output_folder='../test-data/output',
             collapse_input_columns=["title","contents"],
             collapse_output_column="text2",
             run_locally=True,
             ).transform()

    it = pq.read_table('../test-data/input/sample1.parquet')
    ot = pq.read_table('../test-data/output/sample1.parquet')
    initial_columns=it.column_names
    new_columns=ot.column_names
    assert ["title","contents"]==[x for x in initial_columns if x not in new_columns]
    assert ["text2"]==[x for x in new_columns if x not in initial_columns]

